class_docstr: Test for CombinedNMS op in TF-TRT.
code: def ShouldRunTest(self, run_params):
      should_run, reason = super().ShouldRunTest(run_params)
      should_run = should_run and not trt_test.IsQuantizationMode(
          run_params.precision_mode
      )
      reason += " and precision != INT8"
      # Only run for TRT 7.1.3 and above.
      return (
          should_run
          and trt_utils.is_linked_tensorrt_version_greater_equal(
              7, 1, 3
          ),
          reason + " and >= TRT 7.1.3",
      )
  
imports: import os
  from tensorflow.python.compiler.tensorrt import utils
  from tensorflow.python.compiler.tensorrt.test import tf_trt_integration_test_base
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import image_ops_impl
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the CombinedNmsTest obj's underlying member method code with example usage: obj.ShouldRunTest(run_params) and returns: unknown,  unknown